Performance Predictions For Single Tropospheric Communication Links And For Several Links In Tandem
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Performance Predictions For Single Tropospheric Communication Links And For Several Links In Tandem
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Author : A. P. Barsis
language : en
Publisher:
Release Date : 1961
Performance Predictions For Single Tropospheric Communication Links And For Several Links In Tandem written by A. P. Barsis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Radio waves categories.
Performance of long-distance tropospheric communication circuits, either singly or in tandem, is predicted in terms of the probability of obtaining a specified grade of service or better for various percentages of time. The grade of service is determined by the minimum acceptable ratio of hourly median predetection-RMS-signal-to-RMS-noise for the type of intelligence to be transmitted. The standard deviation of prediction errors depends upon the percentage of hours the specified grade of service is required and on parameters characterizing the propagation path. The possibility of reducing this standard deviation by making path-loss measurements is discussed. It is shown that no improvement is possible unless the test path is very nearly the same as the proposed operational path; in particular, unless the test path and operational paths have terminals less than one mile apart it is shown to be doubtful in most cases whether the observations will be useful in improving the reliability of the predicted performance of the proposed system. Assuming that the test path and proposed operational paths are identical, estimates are given of the number of days of observations required to halve the prediction uncertainty or, alternatively, to reduce it to 3 db; in some cases several years of observations are required. A tutorial discussion is given in Appendix III of the concepts of the effective noise figure and the effective input noise temperature of a receiving system.
Transmission Loss Predictions For Tropospheric Communication Circuits
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Author : Institute for Telecommunication Sciences and Aeronomy (U.S.)
language : en
Publisher:
Release Date : 1967
Transmission Loss Predictions For Tropospheric Communication Circuits written by Institute for Telecommunication Sciences and Aeronomy (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Tropospheric radio wave propagation categories.
Transmission Loss Predictions For Tropospheric Communication Circuits
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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1965
Transmission Loss Predictions For Tropospheric Communication Circuits written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Tropospheric radio wave propagation categories.
Noaa Technical Report Erl
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Author : United States. National Oceanic and Atmospheric Administration
language : en
Publisher:
Release Date : 1969
Noaa Technical Report Erl written by United States. National Oceanic and Atmospheric Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1991
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Aeronautics categories.
Technical News Bulletin
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Author :
language : en
Publisher:
Release Date : 1964
Technical News Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Technology categories.
Technical News Bulletin
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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1961
Technical News Bulletin written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Technology categories.
Dimensions
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Author :
language : en
Publisher:
Release Date : 1961
Dimensions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Technology categories.
Nbs Technical Note
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Author :
language : en
Publisher:
Release Date : 1965-04
Nbs Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965-04 with Physical instruments categories.
General Characteristics Of Linear Strain Gage Accelerometers Used In Telemetry
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Author : Paul S. Lederer
language : en
Publisher:
Release Date : 1962
General Characteristics Of Linear Strain Gage Accelerometers Used In Telemetry written by Paul S. Lederer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Aerospace telemetry categories.